# 教城教師 vs 地震工程師

The clearest difference is iOS requirement: 地震工程師 at 12.0 against 教城教師's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

教城教師 ships an update every 3 weeks, 地震工程師 every 11 days. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 教城教師 | 地震工程師 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Size | 37 MB | 53 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hong Kong Education City Limited](https://appshunter.io/developer/672104764) | [Peanut King Solution Limited](https://appshunter.io/developer/1896645104) |

## What reviewers say

### 教城教師

[App page](https://appshunter.io/ios/app/id1664047385)

**Features:** Vision Pro support

**In-app purchases:** none


### 地震工程師

[App page](https://appshunter.io/ios/app/id6769258210)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 教城教師 free?

教城教師 is free to download, with no in-app purchases.

### Is 地震工程師 free?

地震工程師 is free to download, with no in-app purchases.

### Do 教城教師 or 地震工程師 have ads?

Neither 教城教師 nor 地震工程師 shows ads.

### Which is updated more often, 教城教師 or 地震工程師?

教城教師 ships an update every 3 weeks, and 地震工程師 every 11 days. Most recently, 教城教師 was updated on October 2, 2026 and 地震工程師 on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*